diff --git a/docs/requirements.txt b/docs/requirements.txt
index 57f1854f..2fcb052c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -46,7 +46,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
 tornado==6.4
-typeguard==3.0.2
+typeguard==4.2.1
 Unidecode==1.3.8
 urllib3==2.2.1
 wrapt==1.16.0